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inquiryProduct Name: N,N'-Dimethylpropyleneurea Synonyms: 1,3-Dimethyl-3,4,5,6-tetrahydropyrimidin-2(1H)-one;tetrahydro-1,3-dimethyl-1H-pyrimidin-2-one;N,N'-Dimethyl-N,N'-trimethyleneurea (DMPU);1,3-DIMETHYL-3,4,5,6-TETRA
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inquiry
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inquiryProduct Description Name 1,3-Dimethyl-3,4,5,6-tetrahydro-2(1H)-pyrimidinone CAS 7226-23-5 Assay 99%
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inquiryName: 1,3-Dimethyl-3,4,5,6-tetrahydro-2(1H)-pyrimidinone, DMPU Other name: DIMETHYLPROPYLENE UREA CAS.NO: 7226-23-5 Molecular Formula: C6H12N2O Molecular Weight: 128.17 M.P: 20℃ B.P: 246℃ Flash point: 121℃ Density: 1.06 Uses: an excellent
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inquiryBuy 7226-23-5High quality 7226-23-5good supplier DMPU/N,N'-DiMethyl-N,N'-triMethyleneurea Introduction :Sartort Biopharma is a leading company engaging in the production of Intermediates, fine chemicals, Ionic liquids and 3D printing mate
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inquiryPacking: According to customer requirements Delivery time: In stock or depands Port of shipment: Ningbo/Shanghai/Qingdao OEM/ODM:Welcome Sample:We can offer our existing samples at once Appearance:Clear colorless to slightly yellow liquid / Ref
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inquiry1,3-Dimethyl-3,4,5,6-tetrahydro-2(1H)-pyrimidinone CAS: 7226-23-5 Qingdao Belugas Import and Export Co., Ltd. is a scientific and technological company integrating research and development, production and trade of chemical intermediates, specializin
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inquiryHenan Wentao Chemical Product Co.,Ltd is Located in Zhengzhou High-tech Development Zone with import and export license, We passed ISO 9001:2008 as well, Henan Wentao has developed more than 1000 compounds, which are widely used in the fields of prod
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inquiryA substitute for perfluorooctanoic acid, mainly used as a surfactant, dispersant, additive, etc Appearance:White solid or Colorless liquid Purity:99.3 % We will ship the goods in a timely manner as required We can provide relevant documents acc
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inquiryJ&H CHEM R&D center can offer custom synthesis according to the contract research and development services for the fine chemicals, pharmaceutical, biotechnique and some of the other chemicals. J&H CHEM has some Manufacturing base in Jia
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inquirysupplier in China Appearance:clear colorless to slightly yellowish liqui Storage:Stored in cool, dry and ventilation place; Away from fire and heat Package:100g/bottle,1kg/bottle,25kg/drum or as per your request Application:Used as Pharmaceutic
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inquiryProduct name: DMPU CAS No.:7226-23-5 Molecule Formula:C6H12N2O Molecule Weight:128.27 Purity: 99.0% Package: 25kg/drum Description:White crystalline powder Manufacture Standards:Enterprise Standard TESTING ITEMS S
Cas:7226-23-5
Min.Order:1 Kilogram
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inquirycarbon monoxide
1,3-bis(methylamino)propane
1,3-dimethyl-3,4,5,6-tetrahydro-2(1H)-pyrimidinone
Conditions | Yield |
---|---|
Stage #1: carbon monoxide; 1,3-bis(methylamino)propane With selenium at 20℃; under 750.075 Torr; for 2h; neat (no solvent); Stage #2: With oxygen at 20℃; under 750.075 Torr; for 1h; neat (no solvent); | 94% |
With iodine; potassium carbonate; tungsten hexacarbonyl In dichloromethane at 20℃; under 76005.1 Torr; | 52% |
β-(4-hydroxyphenyl)ethyl iodoacetamide
A
1,3-dimethyl-3,4,5,6-tetrahydro-2(1H)-pyrimidinone
B
β-(4-hydroxyphenyl)ethyl-2-aminoacetamide
Conditions | Yield |
---|---|
With diethylenetriaminopentaacetic acid In aq. buffer at 37℃; for 7h; pH=7.4; Kinetics; Solvent; pH-value; | A n/a B n/a C 90% D n/a |
3,4,5,6-tetrahydropyrimidine-2-thione
methyl iodide
1,3-dimethyl-3,4,5,6-tetrahydro-2(1H)-pyrimidinone
Conditions | Yield |
---|---|
With sodium hydroxide; N-benzyl-N,N,N-triethylammonium chloride for 5h; Heating; | 81% |
With 18-crown-6 ether; N-benzyl-N,N,N-triethylammonium chloride for 2h; Heating; | 81% |
3,4,5,6-tetrahydropyrimidin-2(1H)-one
dimethyl sulfate
1,3-dimethyl-3,4,5,6-tetrahydro-2(1H)-pyrimidinone
Conditions | Yield |
---|---|
With N-benzyl-N,N,N-triethylammonium chloride; potassium carbonate In 1,4-dioxane at 60℃; for 5h; | 78.8% |
malononitrile
A
1,3-dimethyl-3,4,5,6-tetrahydro-2(1H)-pyrimidinone
B
(1,3-dimethyl-tetrahydro-pyrimidin-2-ylidene)-malononitrile
Conditions | Yield |
---|---|
With dimethylaminomethyl-polystyrene In acetonitrile at 81℃; for 8.5h; | A n/a B 78% |
carbon dioxide
1,3-Dichloropropane
methylamine
A
1,3-dimethyl-3,4,5,6-tetrahydro-2(1H)-pyrimidinone
B
3-methyl-1,3-oxazinan-2-one
Conditions | Yield |
---|---|
In water at 120℃; under 3750.38 Torr; for 2h; | A 64% B 15% |
N-(tert-butyl)oxycarbonyl-N,N’-trimethyl-1,3-diaminopropane
1,3-dimethyl-3,4,5,6-tetrahydro-2(1H)-pyrimidinone
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: N,N-dimethyl-formamide / 5 h / 0 - 20 °C 2: dichloromethane / 1 h / 20 °C / Inert atmosphere 3: 37 °C / pH 5.5 View Scheme | |
Multi-step reaction with 3 steps 1: triethylamine / N,N-dimethyl-formamide / 1 h / 0 - 20 °C / Inert atmosphere 2: dichloromethane / 1 h / 20 °C / Inert atmosphere 3: 37 °C / pH 5.5 View Scheme |
Conditions | Yield |
---|---|
Multi-step reaction with 4 steps 1: tetrahydrofuran / 22 h / 0 - 20 °C / Inert atmosphere 2: N,N-dimethyl-formamide / 5 h / 0 - 20 °C 3: dichloromethane / 1 h / 20 °C / Inert atmosphere 4: 37 °C / pH 5.5 View Scheme | |
Multi-step reaction with 4 steps 1: tetrahydrofuran / 22 h / 0 - 20 °C / Inert atmosphere 2: triethylamine / N,N-dimethyl-formamide / 1 h / 0 - 20 °C / Inert atmosphere 3: dichloromethane / 1 h / 20 °C / Inert atmosphere 4: 37 °C / pH 5.5 View Scheme |
1,3-dimethyl-3,4,5,6-tetrahydro-2(1H)-pyrimidinone
Conditions | Yield |
---|---|
at 37℃; pH=5.5; |
1,3-dimethyl-3,4,5,6-tetrahydro-2(1H)-pyrimidinone
Conditions | Yield |
---|---|
at 37℃; pH=5.5; |
1,3-dimethyl-3,4,5,6-tetrahydro-2(1H)-pyrimidinone
bis(pinacol)diborane
1-methyl-3-((4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)methyl)tetrahydropyrimidin-2(1H)-one
Conditions | Yield |
---|---|
With C25H36O2P2Ru In neat (no solvent) at 120℃; for 24h; Catalytic behavior; Green chemistry; | 98% |
With (1,5-cyclooctadiene)(methoxy)iridium(I) dimer; 8-(diisopropylsilyl)quinoline In 1,4-dioxane at 120℃; for 20h; Inert atmosphere; Sealed tube; | 96% |
With methoxy(cyclooctadiene)rhodium(I) dimer In hexane at 40℃; for 1h; Inert atmosphere; Sealed tube; | 75% |
1,3-dimethyl-3,4,5,6-tetrahydro-2(1H)-pyrimidinone
samarium diiodide bis(tetrahydrofuran)
Conditions | Yield |
---|---|
In tetrahydrofuran 6-fold excess of ligand added to soln. of Sm complex in THF at room temp. under Ar; left to stand for 2 h; evapd., washed with toluene; elem. anal.; X-ray detn.; | 97% |
1,3-dimethyl-3,4,5,6-tetrahydro-2(1H)-pyrimidinone
bis(pinacol)diborane
A
1-methyl-3-((4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)methyl)tetrahydropyrimidin-2(1H)-one
Conditions | Yield |
---|---|
With methoxy(cyclooctadiene)rhodium(I) dimer In hexane at 25℃; for 1h; Inert atmosphere; regioselective reaction; | A 97% B 7% |
With catalyst:[Rh(OCH3)(C8H12)]2 and silicaphosphine In hexane diboron, amide, catalyst:(Rh(OCH3)(C8H12))2, silica-supported triarylphosphine, hexane, 25°C, 1 h or 70°C 3 h; | A 85% B 2% |
1,3-dimethyl-3,4,5,6-tetrahydro-2(1H)-pyrimidinone
methylamine hydroiodide
Conditions | Yield |
---|---|
at 80℃; for 0.5h; | 96% |
1,3-dimethyl-3,4,5,6-tetrahydro-2(1H)-pyrimidinone
Pentafluoroethyl iodide
diethylzinc
Conditions | Yield |
---|---|
In hexane; toluene at -35 - -5℃; for 24h; Inert atmosphere; | 95% |
In hexane at -60 - 0℃; for 48h; Inert atmosphere; | 86% |
1,3-dimethyl-3,4,5,6-tetrahydro-2(1H)-pyrimidinone
1,1,1,2,2,3,3-heptafluoro-3-iodo-propane
diethylzinc
Conditions | Yield |
---|---|
In hexane at -60 - -20℃; for 48h; Inert atmosphere; | 95% |
In hexane; toluene at -35 - -5℃; for 24h; Inert atmosphere; | 93% |
In hexane; toluene at -41 - -5℃; for 12h; Inert atmosphere; | 92% |
1,3-dimethyl-3,4,5,6-tetrahydro-2(1H)-pyrimidinone
Pentafluoroethyl iodide
diethylzinc
Conditions | Yield |
---|---|
In hexane; toluene at -35 - -5℃; for 24h; Inert atmosphere; | 95% |
1,3-dimethyl-3,4,5,6-tetrahydro-2(1H)-pyrimidinone
iododifluoromethane
diethylzinc
Conditions | Yield |
---|---|
In hexane; pentane at -20 - 20℃; Inert atmosphere; Glovebox; | 94% |
1,3-dimethyl-3,4,5,6-tetrahydro-2(1H)-pyrimidinone
1,1,1,2,2,3,3-heptafluoro-3-iodo-propane
diethylzinc
Conditions | Yield |
---|---|
In hexane; toluene at -35 - -5℃; for 24h; Inert atmosphere; | 93% |
1,3-dimethyl-3,4,5,6-tetrahydro-2(1H)-pyrimidinone
triphenyltin dimesylamide
Conditions | Yield |
---|---|
In acetonitrile N2 atm.; equimolar ratio, stirring (20°C), refluxing (2 h); evapn., addn. of Et2O, digestion, filtn., washing (Et2O), drying (vac.);elem. anal.; | 92% |
1,3-dimethyl-3,4,5,6-tetrahydro-2(1H)-pyrimidinone
dodecafluoro-1,6-diiodohexane
diethylzinc
Conditions | Yield |
---|---|
Stage #1: dodecafluoro-1,6-diiodohexane; diethylzinc In hexane; pentane at -78 - 20℃; Inert atmosphere; Glovebox; Stage #2: 1,3-dimethyl-3,4,5,6-tetrahydro-2(1H)-pyrimidinone In hexane; pentane at 20℃; Inert atmosphere; Glovebox; | 92% |
1,3-dimethyl-3,4,5,6-tetrahydro-2(1H)-pyrimidinone
iododifluoromethane
diethylzinc
Conditions | Yield |
---|---|
In hexane Inert atmosphere; | 92% |
In hexane; pentane at -20 - 20℃; for 2h; | 89% |
In hexane; pentane at -20 - 20℃; for 2h; | 89% |
1,3-dimethyl-3,4,5,6-tetrahydro-2(1H)-pyrimidinone
2-amino-benzthiazole
Benzothiazol-2-ylamine; compound with 1,3-dimethyl-tetrahydro-pyrimidin-2-one
Conditions | Yield |
---|---|
In toluene at 0℃; for 24h; | 91% |
1,3-dimethyl-3,4,5,6-tetrahydro-2(1H)-pyrimidinone
{(η5-C5Me5)2YCl}2
(C5(CH3)5)2YCl((CH2)3(NCH3)2CO)
Conditions | Yield |
---|---|
In benzene (N2); addn. of a soln. of ligand in benzene to a slurry of yttrium complex in benzene, stirring for 1 h; evapn.; elem. anal.; | 90% |
1,3-dimethyl-3,4,5,6-tetrahydro-2(1H)-pyrimidinone
iodotrifluoromethane
diethylzinc
Conditions | Yield |
---|---|
In hexane at -60 - -20℃; for 48h; Inert atmosphere; | 90% |
1,3-dimethyl-3,4,5,6-tetrahydro-2(1H)-pyrimidinone
iodotrifluoromethane
diethylzinc
Conditions | Yield |
---|---|
In hexane at -60 - -20℃; for 72h; Inert atmosphere; | 90% |
1,3-dimethyl-3,4,5,6-tetrahydro-2(1H)-pyrimidinone
iodotrifluoromethane
diethylzinc
Conditions | Yield |
---|---|
In hexane at -60 - -20℃; for 72h; Inert atmosphere; | 90% |
1,3-dimethyl-3,4,5,6-tetrahydro-2(1H)-pyrimidinone
9H-carbazole
2,2'-diiodobiphenyl
9-(4'-iodine-[1,1'-biphenyl]-4-yl)-9H-carbazole
Conditions | Yield |
---|---|
With potassium carbonate; 18-crown-6 ether; copper(I) iodide In hexane; water; toluene | 89% |
1,3-dimethyl-3,4,5,6-tetrahydro-2(1H)-pyrimidinone
1-iodo-2,2,3,3,4,4,5,5,5-nonafluorobutane
diethylzinc
Conditions | Yield |
---|---|
In toluene at -35 - -5℃; for 24h; Inert atmosphere; | 89% |
1,3-dimethyl-3,4,5,6-tetrahydro-2(1H)-pyrimidinone
1-iodo-2,2,3,3,4,4,5,5,5-nonafluorobutane
diethylzinc
Conditions | Yield |
---|---|
In hexane; toluene at -35 - -5℃; for 24h; Inert atmosphere; | 89% |
In hexane at -35 - -5℃; for 24h; Inert atmosphere; | 89% |
In hexane; toluene at -41 - -5℃; for 12h; Inert atmosphere; | 88% |
1,3-dimethyl-3,4,5,6-tetrahydro-2(1H)-pyrimidinone
n-perfluorohexyl iodide
diethylzinc
Conditions | Yield |
---|---|
In hexane at -60 - 0℃; for 48h; Inert atmosphere; | 88% |
In hexane; toluene at -35 - -5℃; for 24h; Inert atmosphere; | 88% |
In hexane; toluene at -41 - -5℃; for 12h; Inert atmosphere; | 87% |
1,3-dimethyl-3,4,5,6-tetrahydro-2(1H)-pyrimidinone
n-perfluorohexyl iodide
diethylzinc
Conditions | Yield |
---|---|
In hexane; toluene at -35 - -5℃; for 24h; Inert atmosphere; | 88% |
1,3-dimethyl-3,4,5,6-tetrahydro-2(1H)-pyrimidinone
stavudin
2',3'-didehydro-3'-deoxythymidine N,N-dimethyl propylene urea solvate
Conditions | Yield |
---|---|
In acetone at 56℃; for 0.25 - 0.5h; Product distribution / selectivity; Heating / reflux; | 87.5% |
In acetone at 6 - 56℃; for 0.25h; Product distribution / selectivity; | 87.5% |
In isopropyl alcohol at 70 - 75℃; for 0.25h; Product distribution / selectivity; | 86.7% |
1,3-dimethyl-3,4,5,6-tetrahydro-2(1H)-pyrimidinone
triphenyltin dimesylamide
Conditions | Yield |
---|---|
In acetonitrile N2 atm.; 2 equiv. of ligand, stirring (20°C), refluxing (2 h); evapn., addn. of Et2O, digestion, filtn., washing (Et2O), drying (vac.);elem. anal.; | 87% |
1,3-dimethyl-3,4,5,6-tetrahydro-2(1H)-pyrimidinone
3-(3-bromophenyl)-1,2,4-triazolo[3,4-a]isoquinoline
9H-carbazole
3-[3-(9H-carbazol-9-yl)phenyl]-1,2,4-triazolo[3,4-a]isoquinoline
Conditions | Yield |
---|---|
With sodium bicarbonate; potassium carbonate; copper(I) iodide; 18-crown-6 ether In chloroform | 86% |
1,3-dimethyl-3,4,5,6-tetrahydro-2(1H)-pyrimidinone
Conditions | Yield |
---|---|
In tetrahydrofuran Ar-atmosphere; addn. of 6 equiv. ligand to metal salt, standing for 1 h; solvent removal (reduced pressure); | 85% |
1,3-dimethyl-3,4,5,6-tetrahydro-2(1H)-pyrimidinone
Conditions | Yield |
---|---|
at 90℃; for 0.5h; | 85% |
5-methyl-1,2,3,4-tetrazole
1,3-dimethyl-3,4,5,6-tetrahydro-2(1H)-pyrimidinone
ethanol
Conditions | Yield |
---|---|
at 120℃; for 72h; Sealed tube; | 84% |
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